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authorUlrich Drepper <drepper@redhat.com>2004-07-08 23:55:54 +0000
committerUlrich Drepper <drepper@redhat.com>2004-07-08 23:55:54 +0000
commit1b8cbd0847c4cbd319a8b3b706269a401940e2c4 (patch)
tree3b453cb554b8926e65fd254a5c3462e7964b8b92 /linuxthreads/sysdeps
parentece385dbb8601ce09ac1762c9df7b8e37220794b (diff)
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Update.
2004-07-07  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/pthread/getcpuclockid.c (pthread_getcpuclockid): Allow
	using other thread's clock.
	* ptclock_gettime.c (__pthread_clock_gettime): Likewise.
	* ptclock_settime.c (__pthread_clock_settime): Likewise.
	* internals.h (__pthread_clock_gettime, __pthread_clock_settime):
	Remove prototypes.
	Reported by Bernd Schmidt <bernds@redhat.com>.
	* Makefile (librt-tests): Add tst-clock1.
	* tst-clock1.c: New test.

	* sysdeps/x86_64/Versions: New file.
	* sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h: New file.
	* sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h: New file.
Diffstat (limited to 'linuxthreads/sysdeps')
-rw-r--r--linuxthreads/sysdeps/pthread/getcpuclockid.c21
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h144
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h144
-rw-r--r--linuxthreads/sysdeps/x86_64/Versions5
4 files changed, 308 insertions, 6 deletions
diff --git a/linuxthreads/sysdeps/pthread/getcpuclockid.c b/linuxthreads/sysdeps/pthread/getcpuclockid.c
index fff1cb03ec..032caeb081 100644
--- a/linuxthreads/sysdeps/pthread/getcpuclockid.c
+++ b/linuxthreads/sysdeps/pthread/getcpuclockid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -19,18 +19,27 @@
 #include <errno.h>
 #include <pthread.h>
 #include <sys/time.h>
+#include <time.h>
 #include <internals.h>
 
 int
 pthread_getcpuclockid (pthread_t thread_id, clockid_t *clock_id)
 {
-  /* We don't allow any process ID but our own.  */
-  if (thread_handle (thread_id)->h_descr != thread_self ())
-    return EPERM;
-
 #ifdef CLOCK_THREAD_CPUTIME_ID
+  /* We need to store the thread ID in the CLOCKID variable together
+     with a number identifying the clock.  We reserve the low 3 bits
+     for the clock ID and the rest for the thread ID.  This is
+     problematic if the thread ID is too large.  But 29 bits should be
+     fine.
+
+     If some day more clock IDs are needed the ID part can be
+     enlarged.  The IDs are entirely internal.  */
+  if (2 * PTHREAD_THREADS_MAX
+      >= 1 << (8 * sizeof (*clock_id) - CLOCK_IDFIELD_SIZE))
+    return ERANGE;
+
   /* Store the number.  */
-  *clock_id = CLOCK_THREAD_CPUTIME_ID;
+  *clock_id = CLOCK_THREAD_CPUTIME_ID | (thread_id << CLOCK_IDFIELD_SIZE);
 
   return 0;
 #else
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h b/linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h
new file mode 100644
index 0000000000..07780df9c1
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h
@@ -0,0 +1,144 @@
+/* Define POSIX options for Linux/ia64.
+   Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef	_POSIX_OPT_H
+#define	_POSIX_OPT_H	1
+
+/* Job control is supported.  */
+#define	_POSIX_JOB_CONTROL	1
+
+/* Processes have a saved set-user-ID and a saved set-group-ID.  */
+#define	_POSIX_SAVED_IDS	1
+
+/* Priority scheduling is supported.  */
+#define	_POSIX_PRIORITY_SCHEDULING	200112L
+
+/* Synchronizing file data is supported.  */
+#define	_POSIX_SYNCHRONIZED_IO	200112L
+
+/* The fsync function is present.  */
+#define	_POSIX_FSYNC	200112L
+
+/* Mapping of files to memory is supported.  */
+#define	_POSIX_MAPPED_FILES	200112L
+
+/* Locking of all memory is supported.  */
+#define	_POSIX_MEMLOCK	200112L
+
+/* Locking of ranges of memory is supported.  */
+#define	_POSIX_MEMLOCK_RANGE	200112L
+
+/* Setting of memory protections is supported.  */
+#define	_POSIX_MEMORY_PROTECTION	200112L
+
+/* Only root can change owner of file.  */
+#define	_POSIX_CHOWN_RESTRICTED	1
+
+/* `c_cc' member of 'struct termios' structure can be disabled by
+   using the value _POSIX_VDISABLE.  */
+#define	_POSIX_VDISABLE	'\0'
+
+/* Filenames are not silently truncated.  */
+#define	_POSIX_NO_TRUNC	1
+
+/* X/Open realtime support is available.  */
+#define _XOPEN_REALTIME	1
+
+/* X/Open realtime thread support is available.  */
+#define _XOPEN_REALTIME_THREADS	1
+
+/* XPG4.2 shared memory is supported.  */
+#define	_XOPEN_SHM	1
+
+/* Tell we have POSIX threads.  */
+#define _POSIX_THREADS	200112L
+
+/* We have the reentrant functions described in POSIX.  */
+#define _POSIX_REENTRANT_FUNCTIONS      1
+#define _POSIX_THREAD_SAFE_FUNCTIONS	200112L
+
+/* We provide priority scheduling for threads.  */
+#define	_POSIX_THREAD_PRIORITY_SCHEDULING	200112L
+
+/* We support user-defined stack sizes.  */
+#define _POSIX_THREAD_ATTR_STACKSIZE	200112L
+
+/* We support user-defined stacks.  */
+#define _POSIX_THREAD_ATTR_STACKADDR	200112L
+
+/* We support POSIX.1b semaphores, but only the non-shared form for now.  */
+#define _POSIX_SEMAPHORES	200112L
+
+/* Real-time signals are supported.  */
+#define _POSIX_REALTIME_SIGNALS	200112L
+
+/* We support asynchronous I/O.  */
+#define _POSIX_ASYNCHRONOUS_IO	200112L
+#define _POSIX_ASYNC_IO		1
+/* Alternative name for Unix98.  */
+#define _LFS_ASYNCHRONOUS_IO	1
+
+/* The LFS support in asynchronous I/O is also available.  */
+#define _LFS64_ASYNCHRONOUS_IO	1
+
+/* The rest of the LFS is also available.  */
+#define _LFS_LARGEFILE		1
+#define _LFS64_LARGEFILE	1
+#define _LFS64_STDIO		1
+
+/* POSIX shared memory objects are implemented.  */
+#define _POSIX_SHARED_MEMORY_OBJECTS	200112L
+
+/* CPU-time clocks supported.  */
+#define _POSIX_CPUTIME	200112L
+
+/* We support the clock also in threads.  */
+#define _POSIX_THREAD_CPUTIME	200112L
+
+/* GNU libc provides regular expression handling.  */
+#define _POSIX_REGEXP	1
+
+/* Reader/Writer locks are available.  */
+#define _POSIX_READER_WRITER_LOCKS	200112L
+
+/* We have a POSIX shell.  */
+#define _POSIX_SHELL	1
+
+/* We support the Timeouts option.  */
+#define _POSIX_TIMEOUTS	200112L
+
+/* We support spinlocks.  */
+#define _POSIX_SPIN_LOCKS	200112L
+
+/* The `spawn' function family is supported.  */
+#define _POSIX_SPAWN	200112L
+
+/* We have POSIX timers.  */
+#define _POSIX_TIMERS	200112L
+
+/* The barrier functions are available.  */
+#define _POSIX_BARRIERS	200112L
+
+/* POSIX message queues are available.  */
+#define	_POSIX_MESSAGE_PASSING	200112L
+
+/* The monotonic clock might be available.  */
+#define _POSIX_MONOTONIC_CLOCK	0
+
+#endif /* posix_opt.h */
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h
new file mode 100644
index 0000000000..3a5fc7a1e1
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h
@@ -0,0 +1,144 @@
+/* Define POSIX options for Linux/x86_64.
+   Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef	_POSIX_OPT_H
+#define	_POSIX_OPT_H	1
+
+/* Job control is supported.  */
+#define	_POSIX_JOB_CONTROL	1
+
+/* Processes have a saved set-user-ID and a saved set-group-ID.  */
+#define	_POSIX_SAVED_IDS	1
+
+/* Priority scheduling is supported.  */
+#define	_POSIX_PRIORITY_SCHEDULING	200112L
+
+/* Synchronizing file data is supported.  */
+#define	_POSIX_SYNCHRONIZED_IO	200112L
+
+/* The fsync function is present.  */
+#define	_POSIX_FSYNC	200112L
+
+/* Mapping of files to memory is supported.  */
+#define	_POSIX_MAPPED_FILES	200112L
+
+/* Locking of all memory is supported.  */
+#define	_POSIX_MEMLOCK	200112L
+
+/* Locking of ranges of memory is supported.  */
+#define	_POSIX_MEMLOCK_RANGE	200112L
+
+/* Setting of memory protections is supported.  */
+#define	_POSIX_MEMORY_PROTECTION	200112L
+
+/* Only root can change owner of file.  */
+#define	_POSIX_CHOWN_RESTRICTED	1
+
+/* `c_cc' member of 'struct termios' structure can be disabled by
+   using the value _POSIX_VDISABLE.  */
+#define	_POSIX_VDISABLE	'\0'
+
+/* Filenames are not silently truncated.  */
+#define	_POSIX_NO_TRUNC	1
+
+/* X/Open realtime support is available.  */
+#define _XOPEN_REALTIME	1
+
+/* X/Open realtime thread support is available.  */
+#define _XOPEN_REALTIME_THREADS	1
+
+/* XPG4.2 shared memory is supported.  */
+#define	_XOPEN_SHM	1
+
+/* Tell we have POSIX threads.  */
+#define _POSIX_THREADS	200112L
+
+/* We have the reentrant functions described in POSIX.  */
+#define _POSIX_REENTRANT_FUNCTIONS      1
+#define _POSIX_THREAD_SAFE_FUNCTIONS	200112L
+
+/* We provide priority scheduling for threads.  */
+#define	_POSIX_THREAD_PRIORITY_SCHEDULING	200112L
+
+/* We support user-defined stack sizes.  */
+#define _POSIX_THREAD_ATTR_STACKSIZE	200112L
+
+/* We support user-defined stacks.  */
+#define _POSIX_THREAD_ATTR_STACKADDR	200112L
+
+/* We support POSIX.1b semaphores, but only the non-shared form for now.  */
+#define _POSIX_SEMAPHORES	200112L
+
+/* Real-time signals are supported.  */
+#define _POSIX_REALTIME_SIGNALS	200112L
+
+/* We support asynchronous I/O.  */
+#define _POSIX_ASYNCHRONOUS_IO	200112L
+#define _POSIX_ASYNC_IO		1
+/* Alternative name for Unix98.  */
+#define _LFS_ASYNCHRONOUS_IO	1
+
+/* The LFS support in asynchronous I/O is also available.  */
+#define _LFS64_ASYNCHRONOUS_IO	1
+
+/* The rest of the LFS is also available.  */
+#define _LFS_LARGEFILE		1
+#define _LFS64_LARGEFILE	1
+#define _LFS64_STDIO		1
+
+/* POSIX shared memory objects are implemented.  */
+#define _POSIX_SHARED_MEMORY_OBJECTS	200112L
+
+/* CPU-time clocks supported.  */
+#define _POSIX_CPUTIME	200112L
+
+/* We support the clock also in threads.  */
+#define _POSIX_THREAD_CPUTIME	200112L
+
+/* GNU libc provides regular expression handling.  */
+#define _POSIX_REGEXP	1
+
+/* Reader/Writer locks are available.  */
+#define _POSIX_READER_WRITER_LOCKS	200112L
+
+/* We have a POSIX shell.  */
+#define _POSIX_SHELL	1
+
+/* We support the Timeouts option.  */
+#define _POSIX_TIMEOUTS	200112L
+
+/* We support spinlocks.  */
+#define _POSIX_SPIN_LOCKS	200112L
+
+/* The `spawn' function family is supported.  */
+#define _POSIX_SPAWN	200112L
+
+/* We have POSIX timers.  */
+#define _POSIX_TIMERS	200112L
+
+/* The barrier functions are available.  */
+#define _POSIX_BARRIERS	200112L
+
+/* POSIX message queues are available.  */
+#define	_POSIX_MESSAGE_PASSING	200112L
+
+/* The monotonic clock might be available.  */
+#define _POSIX_MONOTONIC_CLOCK	0
+
+#endif /* posix_opt.h */
diff --git a/linuxthreads/sysdeps/x86_64/Versions b/linuxthreads/sysdeps/x86_64/Versions
new file mode 100644
index 0000000000..32da57080d
--- /dev/null
+++ b/linuxthreads/sysdeps/x86_64/Versions
@@ -0,0 +1,5 @@
+libpthread {
+  GLIBC_PRIVATE {
+    __pthread_clock_gettime; __pthread_clock_settime;
+  }
+}